package com.itheima.service.impl;

import com.itheima.service.UserService;
import org.springframework.stereotype.Service;

@Service//spring中的注解，将该类的对象创建出来，放到Spring的IOC容器中  bean定义

public class UserServiceImpl implements UserService {

    public String sayHello(){
        return "Hello dubbo ...";
    }
}
